Answer
The basic tenets of cell theory are:
1.) All living organisms are composed of one or more cells.
2.) The cell is the basic unit of structure and organization in organisms.
3.) Cells arise from pre-existing cells.
Work Step by Step
The idea of the tenets of cell theory is that the cell is the simplest structural and functional unit of life (similar to the atom in chemistry). There are no possible smaller subdivisions of a cell/organism that is considered to be alive. Additionally cells can only arise from other cells, and not spontaneous generation.
